Petrora

LEASES · O-5-3439 · OIL · DISTRICT 05

Caston

Reporting

Ursus Oil and Gas · Navarro County · Pan Ware (Rodessa) field

Caston is an RRC oil lease (O-5-3439) in Navarro County operated by Ursus Oil And Gas, with 2 wells completed on it.

It has reported 32.1K barrels of oil and 109K mcf of gas since January 1993, last reporting volume in July 2025 (statewide data runs through April 2026).

The last 12 reported months total 12 barrels of oil; the lease peaked at 407 barrels in January 1993.

7 operators have filed production on it, most recently Ursus Oil And Gas since May 2015.

32.1K
bbl oil, all reported
109K
mcf gas incl. casinghead
12
bbl oil, last 12 reported
—
vs the 12 before
2
wells completed on it
407
peak month, bbl (Jan 1993)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUL 2025 · STATEWIDE DATA THROUGH APR 2026

Oil by month

Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.

Last 12 months 12 · prior 12 42(-71%)

0510152017201820192020202120222023202420252026

Gas by month

Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.

Last 12 months 0 · prior 12 0

012017201820192020202120222023202420252026

Decline curve
None shown. Petrora fits an Arps curve only when the last ten years of oil reports follow one decline closely enough to project (R² of 0.7 or better over at least a year since the peak). This lease's recent history does not, so a projection would be a guess dressed as a number.

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Marathon Oil CompanyJan 1993 → May 1995 · 29 mo
  2. Map Production Co., Inc.Jun 1995 → Feb 2005 · 117 mo
  3. Samson Lone Star LPMar 2005 → Jun 2007 · 28 mo
  4. Samson Lone Star, LLCJul 2007 → Nov 2009 · 29 mo
  5. Ironwood Oil & Gas LLCDec 2009 → Jun 2014 · 55 mo
  6. Cl&f Operating LLCJul 2014 → Apr 2015 · 10 mo
  7. Ursus Oil and GasMay 2015 → Jul 2026 · 135 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

2

wells completed on the lease

Plugged
1
NO Type on File
1

Operates them now

Marathon Oil Company
1
Map Production Co. Inc.
1

Newest permits

All 2 wells, searchable →

About this data

Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.

Developers: this page as JSON is GET /v1/data/leases/tx/o-5-3439, documented in the API reference.